<template>
  <div class="recommend">
    <scroll ref="scroll"
            class="recommend-content"
            :data="discList">
      <div>
        <div v-if="recommends.length"
             class="slider-wrapper">
          <slider>
            <div v-for="item in recommends">
              <a>
                <!-- <a :href="item.linkUrl"> -->
                <img class="needsclick"
                     @load="loadImage"
                     :src="item.imageUrl"
                     alt>
              </a>
            </div>
          </slider>
        </div>
        <div class="recommend-list">
          <h1 class="list-title">热门歌单推荐</h1>
          <ul>
            <li @click="selecItems(item)"
                v-for="item in discList"
                class="item">
              <div class="icon">
                <img width="60"
                     height="60"
                     v-lazy="item.coverImgUrl"
                     alt>
              </div>
              <div class="text">
                <h2 class="name">{{item.name}}</h2>
                <p class="desc">{{item.copywriter}}</p>
              </div>
            </li>
          </ul>
        </div>
      </div>
      <div class="loading-container"
           v-show="!discList.length">
        <Loading></Loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script>
// ------------------------------------------------
import { getRecommend } from "api/recommend";
import { ERR_OK } from "api/config";
import slider from "base/slider/slider";
import scroll from "base/scroll/scroll";
import Loading from "base/loading/loading.vue";
import { mapMutations } from 'vuex';

export default {
  data () {
    return {
      recommends: [],
      discList: []
    };
  },
  created () {
    this._getRecommend();
    this._getDiscList();
  },
  methods: {
    ...mapMutations({
      setDisc: 'SET_DISC'
    }),
    selecItems (item) {
      this.$router.push({
        path: `/recommend/${item.id}`
      })
      this.setDisc(item)
    },
    _getRecommend () {
      // ------------------------------------------------

      this.$api.music.getBanner().then(res => {
        this.recommends = res.banners
      })
      // });
    },
    // 热门歌单
    _getDiscList () {
      this.$api.music._getDiscList().then(res => {
        this.discList = res.playlists
      })
    },
    loadImage () {
      if (!this.checkLoaded) {
        this.$refs.scroll.refresh()
        this.checkLoaded = true
      }
    }
  },
  components: {
    slider,
    scroll,
    Loading
  }
};
</script>


<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable'
.recommend
  position fixed
  width 100%
  top 88px
  bottom 0
  .recommend-content
    height 100%
    overflow hidden
    .slider-wrapper
      position relative
      width 100%
      overflow hidden
    .recommend-list
      .list-title
        height 65px
        line-height 65px
        text-align center
        font-size $font-size-medium
        color $color-theme
      .item
        display flex
        box-sizing border-box
        align-items center
        padding 0 20px 20px 20px
        .icon
          flex 0 0 60px
          width 60px
          padding-right 20px
        .text
          display flex
          flex-direction column
          justify-content center
          flex 1
          line-height 20px
          overflow hidden
          font-size $font-size-medium
          .name
            margin-bottom 10px
            color $color-text
          .desc
            color $color-text-d
    .loading-container
      position absolute
      width 100%
      top 50%
      transform translateY(-50%)
</style>